Machine-made net



Dc; 1o, 1946.

Parenteel Dec. 10, 1946 MACHINE-MADE NET Albert E. Hunter, Wollaton,Nottingham, and

Sidney Topott, Nottingham, England, assignors to Byard ManufacturingCompany, Limited, Nottingham, England Application April 29, 1944, SerialNo. 533,310 In Great Britain July 5, 1943 2 Claims.

This invention is for improvements in machine made nets and has for itsprincipal object to produce on a machine a net which is suitable,particularly on account of its strength and tenacity, for use in themanufacture of wigs.

Heretofore, nets used in the manufacture of wigs have always been madeby hand and have been knotted, but such nets are very expensive.

Numerous attempts have been made to produce a suitable net on a twistlace machine, but none of the previous attempts have been successful. Asa result of experiments lasting over a considerable period of time ithas now been found possible to make nets suitable for this purpose ontwist lace machines of the Levers or Go-through type and such nets areconsiderably cheaper than the previous hand-made knotted nets.

According to the present invention there is produced on a twist lacemachine, preferably I the Levers or Go-through type, a double warptraverse net in which each warp intermediate a predetermined number ofsequential pillarings with a bobbin thread alternately crosses and tieswith an adjacent warp of the same face, the arrangement being such thatat that position where the front warps cross the rear warps double crossand at that position where the front warp-s double cross the rear warpscross.

In carrying the invention into eiiect a fully threaded bar is used forboth front and back warps. Due to the fact that the warp threads arecomparatively thick the threads of each fully threaded bar may bedivided between 16 steel bars. erably being right twisted yarns.

In order to describe the invention more fully reference will now be madeto the accompanying drawing.

Referring to the drawing the warp threads are designated by thereference letters W, W and the bobbin threads by the letters B, B'.While the alternate warps W are pillaring for a predetermined number,say eight motions, with the alternate bobbin threads B, the otheralternate warps W are pillaring with the other alternate bobbin threadsB and thereafter a tie T is produced by Ythe alternate warps Wtraversing to the left and back to tie with the next adjacent bobbinthreads B' to the left while the other alternate warps W traverse to theright and back to tie with the next adjacent bobbin threads B to theright.

The warps W and the warps W' now pillar for the same number of motionsas previously with the same bobbin threads B and bobbin threads Brespectively and then cross at C, the warps W which tied to the leftcrossing to the bobbin threads B to the right and the warps W which tiedto the right crossing to the bobbin threads B The warps are all of thesame twist, prefto the left. The warps now pillar with the new bobbinthreads, i. e. the warps W pillar with bobbin threads B and the warps Wwith bobbin threads B, for the same number of motions as previously thenproduce a tie T in the opposite direction to the first tie. They thencontinue to pillar with the second bobbin thread (i. e. the warps W withbobbin threads B and warps W with bobbin threads B), for the same numberof motions as previously then cross at C to the original bobbin threads(the warps W to the bobbin threads B and the warps W to the bobbinthreads B) to complete the sequence of motions. The sequence of motionsfor the front warps FW, FW is the same as the back warps (W, W)excepting that where the back warps W, W cross at C, C the front warpsFW, FW' double cross at T2, T3 and that where the front warps cross theback warps double cross. Furthermore, each warp twists in an oppositesense in successive pillarings and in each pillar-ing the front and backwarps pillar in the opposite sense, that is to say, when the front warpis pillaring with one bobbin thread with a right twist the back warp ispillaring with the same bobbin thread with a reverse twist and viceversa. In this manner an openwork net is produced which is exceedinglystrong and is suitable for use as a wig net. It will be appreciated thateach leg of each individual mesh of net is joined by four threads, twoof which cross and two of which double cross. If the net is made of realsilk the warp threads are conveniently of 13/2 spun silk and the bobbinthreads are 40-50 denier pure silk. If the net is made of artificialsilk the warp threads are in the order of 48o deniers and the bobbinthreads are denier extra twist.

It is, however, within the scope of the invention to make net of anysuitable yarn and the foregoing is given merely vby Way of example andis not to be construed in a limiting sense.

We claim:

1. A double warp traverse net in which each.

warpintermediate a predetermined number of sequential pillarings with abobbin thread alternately crosses and double crosses with an adjacentwarp or" the same face, the arrangement being such that at that positionwhere the front warps cross the rear warps double cross and at thatposition where the front warps double cross the rear warps cross.

2. A double traverse warp net according tol claim 1 in which each warptwists in an opposite sense in successive pillarings and in eachpillaring the front and back warps pillar in an opposite sense.

A. E. HUNTER. S. F. TOPOTT.

